Finding the Fourth Proportional to 3,646.12, 5,469.12 and 1,049.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646.12 : 5,469.12 = 1,049.05 : x
2. Step 2: Convert to fraction form
   3,646.12/5,469.12 = 1,049.05/x
3. Step 3: Cross multiply
   3,646.12x = 5,469.12 × 1,049.05
4. Step 4: Simplify right side
   3,646.12x = 5,737,380.34
5. Step 5: Solve for x
   x = 5,737,380.34/3,646.12
6. Step 6: Final answer
   x = 1,573.56